2877831747

素因数分解:

$3^9\times 7^1\times {\mathrm{20887}}^1$

素因数の和:20921

約数の個数: 40

約数和(自身を含む): 4933578496

約数和(自身を除く): 2055746749

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 2187, 5103, 6561, 15309, 19683, 20887, 45927, 62661, 137781, 146209, 187983, 438627, 563949, 1315881, 1691847, 3947643, 5075541, 11842929, 15226623, 35528787, 45679869, 106586361, 137039607, 319759083, 411118821, 959277249, 2877831747]

約数ペア:

[(1, 2877831747), (3, 959277249), (7, 411118821), (9, 319759083), (21, 137039607), (27, 106586361), (63, 45679869), (81, 35528787), (189, 15226623), (243, 11842929), (567, 5075541), (729, 3947643), (1701, 1691847), (2187, 1315881), (5103, 563949), (6561, 438627), (15309, 187983), (19683, 146209), (20887, 137781), (45927, 62661)]